Electric plug



FIG. 1 is a front perspective view of an electric plug showing my new design;

FIG. 2 is a plan view thereof from above or below;

FIG. 3 is an elevational view from either side;

FIG. 4 is an elevational view thereof from one end; and,

FIG. 5 is an elevational view thereof from the other end. 

The ornamental design for the electric plug, as shown and described. 